I can relate to this post. Specially around Slow and Argumentative. These are cloaks in which faux-smart people hide under. I had experience with a developer who would not want to lift a finger until he absolutely knew that the feature he was about to build was assured unquestionable success. So we would gather some data to figure out users predisposition to use the feature, and still nothing. in the end he would not experiment and we fired him